internal/store: rename from state

This reduces collision with local variable names, and generally makes sense for the new store package, since it no longer specifies the state struct.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/store/compat_test.go

@@ -0,0 +1,120 @@
+package store_test
+
+import (
+	"log"
+	"math/rand"
+	"reflect"
+	"slices"
+	"testing"
+	"time"
+
+	"hakurei.app/container/check"
+	"hakurei.app/hst"
+	"hakurei.app/internal/store"
+	"hakurei.app/message"
+)
+
+func TestMulti(t *testing.T) {
+	s := store.NewMulti(message.NewMsg(log.New(log.Writer(), "multi: ", 0)), check.MustAbs(t.TempDir()))
+
+	t.Run("list empty store", func(t *testing.T) {
+		if identities, err := s.List(); err != nil {
+			t.Fatalf("List: error = %v", err)
+		} else if len(identities) != 0 {
+			t.Fatalf("List: identities = %#v", identities)
+		}
+	})
+
+	const (
+		insertEntryChecked = iota
+		insertEntryNoCheck
+		insertEntryOtherApp
+
+		tl
+	)
+
+	var tc [tl]hst.State
+	for i := 0; i < tl; i++ {
+		if err := hst.NewInstanceID(&tc[i].ID); err != nil {
+			t.Fatalf("cannot create dummy state: %v", err)
+		}
+		tc[i].PID = rand.Int()
+		tc[i].Config = hst.Template()
+		tc[i].Time = time.Now()
+	}
+
+	do := func(identity int, f func(c store.Cursor)) {
+		if ok, err := s.Do(identity, f); err != nil {
+			t.Fatalf("Do: ok = %v, error = %v", ok, err)
+		}
+	}
+
+	insert := func(i, identity int) {
+		do(identity, func(c store.Cursor) {
+			if err := c.Save(&tc[i]); err != nil {
+				t.Fatalf("Save: error = %v", err)
+			}
+		})
+	}
+
+	check := func(i, identity int) {
+		do(identity, func(c store.Cursor) {
+			if entries, err := c.Load(); err != nil {
+				t.Fatalf("Load: error = %v", err)
+			} else if got, ok := entries[tc[i].ID]; !ok {
+				t.Fatalf("Load: entry %s missing", &tc[i].ID)
+			} else {
+				got.Time = tc[i].Time
+				if !reflect.DeepEqual(got, &tc[i]) {
+					t.Fatalf("Load: entry %s got %#v, want %#v", &tc[i].ID, got, &tc[i])
+				}
+			}
+		})
+	}
+
+	// insert entry checked
+	insert(insertEntryChecked, 0)
+	check(insertEntryChecked, 0)
+
+	// insert entry unchecked
+	insert(insertEntryNoCheck, 0)
+
+	// insert entry different identity
+	insert(insertEntryOtherApp, 1)
+	check(insertEntryOtherApp, 1)
+
+	// check previous insertion
+	check(insertEntryNoCheck, 0)
+
+	// list identities
+	if identities, err := s.List(); err != nil {
+		t.Fatalf("List: error = %v", err)
+	} else {
+		slices.Sort(identities)
+		want := []int{0, 1}
+		if !slices.Equal(identities, want) {
+			t.Fatalf("List() = %#v, want %#v", identities, want)
+		}
+	}
+
+	// join store
+	if entries, err := store.Join(s); err != nil {
+		t.Fatalf("Join: error = %v", err)
+	} else if len(entries) != 3 {
+		t.Fatalf("Join(s) = %#v", entries)
+	}
+
+	// clear identity 1
+	do(1, func(c store.Cursor) {
+		if err := c.Destroy(tc[insertEntryOtherApp].ID); err != nil {
+			t.Fatalf("Destroy: error = %v", err)
+		}
+	})
+	do(1, func(c store.Cursor) {
+		if l, err := c.Len(); err != nil {
+			t.Fatalf("Len: error = %v", err)
+		} else if l != 0 {
+			t.Fatalf("Len: %d, want 0", l)
+		}
+	})
+}